A retractable multifunctional dog leash that contains an outer shell, a retractable rope in the outer shell, and a position limiting stopper at a front end of the retractable rope to prevent the retractable rope from completely retracting back into the outer shell. A roller device releasing and retracting the retractable rope is provided inside the outer shell a sound generator is also provided on the outer shell to generate sound directly. The dog leash is easy to carry and use, and its retractable rope can be easily adjusted to extend and retract as desired
